One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Also known as the Blue Church, the building was consecrated to the daughter of Andrew II.

The largest fountain in Bratislava.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

It houses the remains of a 17th-century version of the Titanic.

Breathtaking and huge 430 year old maps of Italy.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

Every equinox this Maya pyramid puts on a spooky ancient light show.

Its columns were all carved from the same white oak tree.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

Morocco's Argania trees are infested with nut-hungry goats.

Two large-scale sculptures of Adam and Eve greet visitors in the nude at the Time Warner Center in NYC.

This unusual subway stop was originally a real estate office.

A replica of a 7th-century church hides in plain sight in the middle of the concrete jungle.

Imagine having a street run right through your home, or better yet, a historic bridge three stories high.

This city park was once a lookout point for George Washington’s army during the Battle of Brooklyn in 1776.

The first piece of public art dedicated to LGBT rights.

The 28-foot granite map plots the locations of 40 theaters in New York City.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.